This page contains Cheats for Onslaught organized by sections for Nintendo Wii. Onslaught is a Action Shooter First-Person game, made by Hudson Entertainment, released on Feb 23, 2009 and published by Hudson Entertainment. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
Finish the game on Hard difficulty....From: amjad12
Finish the game on Expert difficulty....From: ArchDuke
Each weapon (including grenades and the whip) has 2 upgrades that count as additional weapons. The upgrades carry over even if you start a new game on another difficulty (on the same save spot)....From: thouit
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